Finding the Fourth Proportional to 11,833.88, 16,335.42 and 7,117.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,833.88 : 16,335.42 = 7,117.25 : x
2. Step 2: Convert to fraction form
   11,833.88/16,335.42 = 7,117.25/x
3. Step 3: Cross multiply
   11,833.88x = 16,335.42 × 7,117.25
4. Step 4: Simplify right side
   11,833.88x = 116,263,268.00
5. Step 5: Solve for x
   x = 116,263,268.00/11,833.88
6. Step 6: Final answer
   x = 9,824.61